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Potassium metabisulfite is a food preservative, which preserves the natural colour of food and protects food against bacteria. The winemaking industry uses it as an additive during the bottling process.
Molar Weight | 222.312 g/mol |
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Melting Point | 190 °C |
Boiling Point | |
Flash Point | |
Specific Gravity | 2.34 g/cc |
Particle Size |
Synonyms: Potassium pyrosulphite, Dipotassium disulfite, Dipotassium disulphite, Dipotassium Disulphite, E 224, PBMS, Potassium Pyrosulfite
Chemical Formula: K2O5S2
CAS Number: 16731-55-8